CaratHunter
Plans
Oval|Lab Grown|IGI

4.50ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • IGI LG745516776

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG745516776

Diamond specifications and retailer prices

From $845 CAD
$604 USD
As of October 27, 2026
Save $4,459 CAD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,304 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.5ct lab-grown oval diamond

This 4.5ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG745516776 or 745516776. Listed at 19 retailers as of October 27, 2026, with prices from $845 to $5,304, a $4,459 spread on the same certified stone. Brilliant Earth lists it at $5,304. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.50
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG745516776
Dimensions12.78 × 9.04 × 5.88 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.78 mm9.04 mm4.50 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG745516776
Side View
Table 57.0%Crown 36.7°Girdle: STK-THKPavilion 41.5°Culet: NoneDepth 65.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $5,304 CAD|Low: $812 CAD|High: $5,304 CAD|Avg: $2,242 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 3$845 CAD
Retailer 13$880 CAD
Retailer 4$946 CAD
Retailer 18$946 CAD
Retailer 6$1,048 CAD
Retailer 10$1,048 CAD
Retailer 14$1,232 CAD
Retailer 19$1,393 CAD
Retailer 15$1,577 CAD
Retailer 8$1,614 CAD
Retailer 2$1,635 CAD
Retailer 17$2,242 CAD
Retailer 7$2,561 CAD
Retailer 9$2,757 CAD
Retailer 5$3,313 CAD
Retailer 11$3,389 CAD
Retailer 12$4,575 CAD
Retailer 16$4,647 CAD
Brilliant Earth$5,304 CAD

37 data points across 19 retailers

19 retailers$845 CAD to $5,304 CAD

A
Cheapest Retailer
-
$845 CAD
$604 USD
A
Retailer 2
-
$880 CAD
£495 GBP
View
A
Retailer 3
-
$946 CAD
$676 USD
View
Final sale: no returns
A
Retailer 4
-
$946 CAD
$676 USD
View
A
Retailer 5
-
$1,048 CAD
$749 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,048 CAD
$749 USD
View
A
Retailer 7
-
$1,232 CAD
$880 USD
View
B+
Retailer 8
-
$1,393 CAD
$995 USD
View
A
Retailer 9
-
$1,577 CAD
€1,073 EUR
View
B+
Retailer 10
-
$1,614 CAD
$1,153 USD
View
A
Retailer 11
-
$1,635 CAD
£920 GBP
View
B+
Retailer 12
-
$2,242 CAD
$1,602 USD
View
B+
Retailer 13
-
$2,561 CAD
$1,830 USD
View
B
Retailer 14
-
$2,757 CAD
$1,970 USD
View
B
Retailer 15
-
$3,313 CAD
$2,367 USD
View
B
Retailer 16
-
$3,389 CAD
$2,422 USD
View
B
Retailer 17
-
$4,575 CAD
£2,574 GBP
View
B
Retailer 18
-
$4,647 CAD
$3,320 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
18205689A · Oct 29
$5,304 CAD
$3,790 USD
View
18 more retailers have this diamond
Prices start from $845 CADSave up to $4,459 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.50ct Oval
$845 CAD